Question

On increasing the salary of Amanda by 25%it becomes 20000 what was his original salary taking original salary as 100

Answer 1

let his original salary b x on increasing to 25% it becomes 20000 so x+x*25%=20000

x+x/4=20000

5x/4=20000

x=20000*4/5

x=80000/5

x=rs16000